JP6962039B2 - 燃料噴射装置 - Google Patents

燃料噴射装置 Download PDF

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Publication number
JP6962039B2
JP6962039B2 JP2017136432A JP2017136432A JP6962039B2 JP 6962039 B2 JP6962039 B2 JP 6962039B2 JP 2017136432 A JP2017136432 A JP 2017136432A JP 2017136432 A JP2017136432 A JP 2017136432A JP 6962039 B2 JP6962039 B2 JP 6962039B2
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JP
Japan
Prior art keywords
fuel
chamber
control chamber
wall portion
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2017136432A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019019693A (ja
Inventor
光二郎 井上
淳 近藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2017136432A priority Critical patent/JP6962039B2/ja
Priority to DE102018113446.0A priority patent/DE102018113446A1/de
Priority to US16/021,121 priority patent/US11002235B2/en
Priority to FR1856213A priority patent/FR3069026A1/fr
Priority to CN201810749973.3A priority patent/CN109252998B/zh
Publication of JP2019019693A publication Critical patent/JP2019019693A/ja
Application granted granted Critical
Publication of JP6962039B2 publication Critical patent/JP6962039B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • F02M51/0607—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means the actuator being hollow, e.g. with needle passing through the hollow space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
    • F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
    • F02M51/0657—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve the body being hollow and its interior communicating with the fuel flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2017136432A 2017-07-12 2017-07-12 燃料噴射装置 Active JP6962039B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017136432A JP6962039B2 (ja) 2017-07-12 2017-07-12 燃料噴射装置
DE102018113446.0A DE102018113446A1 (de) 2017-07-12 2018-06-06 Kraftstoffeinspritzvorrichtung
US16/021,121 US11002235B2 (en) 2017-07-12 2018-06-28 Fuel injection device
FR1856213A FR3069026A1 (fr) 2017-07-12 2018-07-05 Dispositif d'injection de carburant
CN201810749973.3A CN109252998B (zh) 2017-07-12 2018-07-10 燃料喷射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017136432A JP6962039B2 (ja) 2017-07-12 2017-07-12 燃料噴射装置

Publications (2)

Publication Number Publication Date
JP2019019693A JP2019019693A (ja) 2019-02-07
JP6962039B2 true JP6962039B2 (ja) 2021-11-05

Family

ID=64745192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017136432A Active JP6962039B2 (ja) 2017-07-12 2017-07-12 燃料噴射装置

Country Status (5)

Country Link
US (1) US11002235B2 (fr)
JP (1) JP6962039B2 (fr)
CN (1) CN109252998B (fr)
DE (1) DE102018113446A1 (fr)
FR (1) FR3069026A1 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531713B1 (fr) 1970-12-16 1980-08-20
DE19822503C1 (de) * 1998-05-19 1999-11-25 Siemens Ag Steuerventil für Kraftstoffeinspritzventil
DE10123993A1 (de) * 2001-05-17 2002-11-21 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
JP2002364483A (ja) 2001-06-07 2002-12-18 Denso Corp 燃料噴射装置
EP1273791A3 (fr) * 2001-07-03 2003-03-12 CRT Common Rail Technologies AG Soupape d'injection de combustible pour moteurs à combustion interne
US6647966B2 (en) * 2001-09-21 2003-11-18 Caterpillar Inc Common rail fuel injection system and fuel injector for same
US7740001B2 (en) * 2006-03-10 2010-06-22 Volvo Lastvagnar Ab Fuel injection system
JP4428357B2 (ja) * 2006-04-03 2010-03-10 株式会社デンソー 燃料噴射弁
JP5531713B2 (ja) 2010-03-29 2014-06-25 株式会社デンソー 燃料噴射装置
JP5732834B2 (ja) 2010-03-31 2015-06-10 株式会社デンソー 燃料噴射装置
JP5310806B2 (ja) 2011-01-07 2013-10-09 株式会社デンソー 燃料噴射装置
DE102012012480A1 (de) * 2011-06-24 2012-12-27 Caterpillar Inc. Fluideinspritzventil mit Einspritzverlaufsformung am Einspritzende
JP5641035B2 (ja) * 2012-11-13 2014-12-17 株式会社デンソー 燃料噴射弁
JP2015090088A (ja) 2013-11-05 2015-05-11 株式会社日本自動車部品総合研究所 燃料噴射弁

Also Published As

Publication number Publication date
DE102018113446A1 (de) 2019-01-17
US20190017478A1 (en) 2019-01-17
CN109252998A (zh) 2019-01-22
JP2019019693A (ja) 2019-02-07
US11002235B2 (en) 2021-05-11
FR3069026A1 (fr) 2019-01-18
CN109252998B (zh) 2021-10-29

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